By Wang Zhigang   Wang Lijun   Tang Benjie   Frank Timothy   Brown Stuart   Cuschieri Alfred   in Surgical Endoscopy

ISSN:0930-2794|22|8|1838-1844

Springer Publishing Company ‎(2008)‎

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By Hazell Michelle L   Morris Julie A   Linehan Mary F   Frank Timothy L   in British Journal of General Practice

ISSN:1478-5242|59|568|839-843

Royal College of General Practitioners‎(2009)‎

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By Frank Peter I   Wicks Paul D   Hazell Michelle L   Linehan Mary F   Hirsch Sybil   Hannaford Philip C   Frank Timothy L   in British Journal of General Practice

ISSN:1478-5242|55|517|596-602

Royal College of General Practitioners‎(2005)‎

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